Anti Mould Paint Canada

Prevent mould with anti mould paint (or anti mold paint)

Mould or mold is a natural part of the ecosystem, and most houses have at least some mould somewhere. Though most moulds are harmless, some can cause health problems such as asthma, bronchitis, allergies, and more. The problem is, unless you are an expert it is impossible to tell the good from the bad, and in either case a mould will discolour and damage a surface. Although in Canada it is both mold and mould, there is still only one way to deal with it – removal and prevention. Mould resistant paint (also known as anti mould paint, anti mold paint, antifungal paint, and anti mildew paint) works to prevent mould through the action of a fungicidal additive which kills mould and stops it growing on a surface.

In this article we look at anti mould paint and how it works, as well as the different manufacturers and products available in Canada.

The problem areas that need anti mould paint

The real problems areas for mould are any areas with high amounts of moisture. Mould requires sufficient moisture to grow and exist. Areas such as bathrooms, kitchens, window frames that get wet in winter because of condensation, basements, or any surface that suffers from leaks or flooding are all mould-prone. Ceilings, windows, and walls are all areas to watch. Steam from cooking, steam from showering, and basement damp are all problems that are exacerbated during the winter months, when the cold outside causes condensation as well.

Improving ventilation and opening windows can help with preventing mould, but who wants to let in the Canadian winter? Anti mould bathroom paint is a cheaper and easier option for mould protection than extractor fan installations, and this goes for other problem areas too. If mould is a persistent problem, a dehumidifier coupled with an anti mould paint is advised, as well as throwing out mould-affected textiles that harbour mould spores.

Anti mould paint products and manufacturers in Canada

Home improvement stores like Home Depot and Canadian Tire stock numerous anti mould treatment solutions. There are a range of manufacturers in Canada who produce mould resistant coatings for the domestic market, including homegrown Cloverdale Paint. Below we list a few of the products you can find available locally and online.

Zinsser Perma-White Mold & Mildew-Proof
  • Type of anti-mold paint: Interior Paint
  • Finish: SATIN
  • Volume: 1 Quart (31.5 fl oz)
  • Base: Water-based
  • suitable for: interior walls, wall cavities, ceilings, trim, doors
  • Use in: bathroom, basement, kitchen, laundry room, closet, locker room, hot tub room, enclosed porch, pool area
  • Washable, scrubbable, stain & moisture resistant
Zinsser Perma-White Mold & Mildew-Proof
  • Type of anti-mold paint: Interior Paint
  • Finish: SEMI-GLOSS
  • Volume: 1 Quart (31.5 fl oz)
  • Base: Water-based
  • suitable for: interior walls, wall cavities, ceilings, trim, doors
  • Use in: bathroom, basement, kitchen, laundry room, closet, locker room, hot tub room, enclosed porch, pool area
  • Washable, scrubbable, stain & moisture resistant

More local buying options are listed below:

Anti Mould PaintProduct Description
Cloverdale Paint Ecologic Washable FlatA high performance, 100% Acrylic Latex Interior Waterborne finish formulated with latex resin and ceramic microsphere technologies that provides superior resistance to stains, burnishing and abrasion. Contains mildewcide.
Concrobium Mold ControlAn acrylic spray with a mildewcide that kills and prevents mould and fungi. Clear finish, VOC free, and Health Canada Approved.
Dulux Kitchen & Bath100% acrylic polymers create a tough, mildew and stain resistant, durable coating, protecting surfaces that are subject to high humidity, condensation and frequent wiping. Suitable for kitchens, bathrooms, laundry rooms and basements.
Zinsser WaterTite Mould & Mildew-Proof Waterproofing PaintA multi-purpose, latex-based concrete and masonry waterproofing paint for interior and exterior use. Ultra low odour, easy soap and water clean-up, 10 year waterproof and 5 year mould and mildew-proof paint film guarantee.

If you have a more serious mould problem, or require professional help for a large anti mould project, get in touch! Our experts are here to help. In collaboration with our coatings partners, we will find the coating solution for your needs.

How to choose the right mould resistant paint

With so many substrates and environments that can experience mould, it can be tricky choosing the right coating to meet all your requirements. Be aware these paints are actually paints – they will add colour to your walls. Essentially an anti mould paint is a high performance decorative paint with an antifungal additive. Here we look at some of the most common problem spots and which paints work for them:

Mould resistant bathroom paint

Bathrooms are, by nature, damp places. There are a variety of mould and anti fungal paint used on bathroom substrates. Wall tiles can be treated with anti fungal paint or sealant, as can grouting, but bathroom painted walls and ceilings need an anti mould bathroom paint.
Suitable product: Dulux Kitchen & Bath – An acrylic, water-based formulation which is easy to clean, comes in a range of colours, and is moisture and mildew resistant.

Anti mildew paint for kitchens

Kitchens, like bathrooms, are rooms with high humidity. All the steam produced by cooking and the condensation on the windows through winter provide the perfect environment for the growth of mould and mildew. In kitchens, health concerns mean a low-odour, low-VOC coatings is important.
Suitable product: Zinsser Perma-White Mildew Proof Paint – A water-based, low-odour latex paint which is tintable and comes in different finishes.

Exterior surface mould resistance

Exterior surfaces from masonry to wood can also develop mould and mildew. For exterior surfaces which are left exposed to the elements all year round, an extra degree of protection against stains, weathering, and abrasion is also required.
Suitable product: Cloverdale Paint Ecologic – An acrylic latex paint with ultra-low VOC, an Environment Canada approved mildewcide, and anti-abrasion ceramic microsphere technology.

Applying mould resistant paint – the basic rules

Anti mold paint is available in a variety of forms, including anti mould paint sprays, waterborne coatings, oil-based coatings, and can be applied to both interior and exterior surfaces.Below we look at the steps involved in anti mould coating:

  1. Prepare and clean the substrate – Mould resistant paint should not be applied over the top of mould. The mould spores need to be removed and cleaned as much as possible before any paint hits the surface. Antimicrobial cleaners, vinegar, and brushing are all recommended, but sanding will release mould spores into the air, so it is not advised unless undertaken by a mould removal professional.
  2. Apply a mould sealant – If there is still some mould left, you can apply a mould sealant to seal what remains and prevent it growing and spreading. It also waterproofs the substrate. If you do apply a sealant, allow it to dry fully before applying the anti mould paint.
  3. Apply the anti mould paint – Follow the instructions of whichever mould solution you choose. No matter which, the surface needs to be clean, dry, and as mould free as possible.
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